Manual Watts BT-DPRF-02 Thermostat

Manual

PPLIMW15175Ba

- In a second time, you can adjust the desired setting

temperature with (-) or (+), press (OK) to start the function.

(Default value 24°C)

The logo will blink and the number of hours /days left is

displayed until the end of the period.

If you want to stop the Timer function before the end, set

the duration period to “no” with (-) key or use the navigation

keys (◄) or (►).

3.8. Reversible mode

The reversible mode allows you to choose the working mode

for your installation.

By pressing on (-) or (+) keys, the selected working mode

blinks and can be modified. The user can then choose:

- Hot : the installation operates in heating mode (winter)

- CLd : the installation operates in cooling mode (summer).

Warning: this menu is available if user activates parameter 21

in Installer’s advanced Menu (refer to chapter 8)

During this selection, the status LED will be red color if heating

is selected or green color if cooling is selected.

By pressing (OK) key, you validate you selection. By pressing

(◄) or (►) key or the ( ) key, you come back to the current

working mode of the thermostat.

Remarks:

- This menu is only available if the parameter “21” has been set

to “REv” (refer to chapter 8)

- This mode is not available if thermostat is linked with a central

(BT-CT02).

4. Special functions

4.1. Key lock

Use this function to prevent all change of your settings (In a

child room, public area…)

- To activate the Key lock function, first press maintain the

escape key ( ) and then press simultaneously on the edition

key ( ).

- The “ ” logo will be displayed on the screen.

Repeat the same procedure to unlock the key board.

4.2. Open window function

This function is able to stop heating if thermostat detects an

unusual decrease of temperature (open window).

Principle:

If the displayed temperature (internal or ambient sensor)

decreases by 3°C or more during a 5 minutes period (or less),

the thermostat stops heating for 15 minutes. If the temperature

continues decreasing, it continues to stop.

During this stop, the room temperature will blink.

Return to normal mode:

The thermostat returns automatically to normal mode after the

stop period.

The function can be overridden by pressing the (OK) button

during the stop heating phase.

The blinking temperature should stop to indicate the end of the

detection.

Special cases:

- This function doesn't work if thermostat is in Floor regulation

- This function doesn't work if thermostat is in OFF or

Antifreeze Mode

- If temperature is less than 10°C, thermostat will regulates at

10°C during the stop phase (refer to chapter 5, parameter 06)

- This function doesn’t work in Cooling mode

4.3. Humidity measurement

(

*

)

Thermostats measure the humidity in the air. This measure

allows:

- To regulate the humidity in the air (refer to parameter 34 in

chapter 8)

- To protect your system against condensation (refer to

parameter 35 in chapter 8).

4.4. Visualization

With this function, you can quickly view the current

temperatures of the different sensors connected on your

thermostat (floor, remote, external). To do so, on the main

screen, press several times on the escape key ( ). This “scroll

function” is only available on the main screen:

You will see in the order of each press:

1/ the setting temperature followed by the thermostat

2/ the ambient temperature

3/ if the external sensor is connected: the outside temperature

4/ the humidity percentage (*)

Remarks :

- refer to chapter 1.2 for icon meanings

- If Parameter “Sen” is set on “Air” (refer to chapter 8), the

remote sensor will be used as an external sensor.

5. Parameter’s menu

Your thermostat has a parameter’s menu. To enter in this

menu, press and maintain the edition key ( ) during 5sec.

Then parameter menu will appear and first parameter screen

will be displayed

Now you can select a parameter which must be adjusted with

the navigation keys (◄) or (►), once the parameter chosen,

toggle the value with the (OK) key, modify it with (-) or (+) and

confirm your adjustment with (OK).

To leave the parameter menu, choose the parameter « End »

and press (OK

)

or Return key ( ).

N° Default value & other possibilities

00

RF INI:

Radio configuration

Radio configuration mode for wireless communication

(refer to chapter 2.2)

01

dEG:

Unit of the temperatures displayed

°C Celsius

°F Fahrenheit

02

__:__

Selection of the Time clock unit

24H (24:00)

12H (12:00 AM /PM)

03

dst:

Daylight Summer time change Summer<->Winter

YES automatic change according to date.

no no daylight summer time automatic change.

04

AirC

:

Calibration of the internal probe

The calibration must be done after 1 day working with

the same setting temperature in accordance with the

following description:

Put a thermometer in the room at 1.5M distance from

the floor (like the thermostat) and check the real

temperature in the room after 1 hour.

When you enter on the calibration parameter “no” is

displayed on the right to indicate no calibration has

made.

To enter the value shown on the thermometer, use the

(-) or (+) keys to enter the real value. Then, press (Ok)

to confirm.

The message “Yes” should be displayed; the value will

be stored in the internal memory.

If you need to erase a calibration press on the escape

key ( ).

The old value will be erased and the message “no” will

be displayed.

* Pay attention:

Only the heating element driven by the thermostat must

be used during the complete step of the calibration.

05

AMbC

:

Calibration of the external wired probe

Same calibration method as described in parameter

“04 AirC” above.

06

HG:

Anti-freeze temperature

used in Holiday mode

Default value 10°C.

Use the (-) or (+) keys to change the anti-freeze setting

temperature. Then press (Ok) to confirm.

07

ITCS: YES, no

The Intelligent Temperature Control System will activate

your installation in advance (2 hours maximum) to

assure the desired temperature at the hour

programmed following your weekly program.

This automatic control system works in the following

way:

When you start your thermostat for the first time, it will

measure the time taken by your installation to reach the

set temperature. The thermostat will re-measure this

time at each program change to compensate external

temperature change & influence. You can now program

your thermostat without the need to adjust the

temperature in advance because your thermostat does

it automatically for you.

08

Clr ALL

:

Reset to Factory setting

Press and maintain (Ok) key during 5s to reset Set

points temperatures and user parameters in this menu

to factory default settings. User programs will also be

resetted.

Pay attention:

Ensure you that you have all necessary elements to re-

setup your installation before using this function.

09

Displayed only if the BT-DRF-02 is linked with a

multizones receiver

CHAn—

--: number of the linked zone

10

Software version

VErS ___

11

End

:

Exit the parameter’s menu

Press (OK) key to exit installation parameter menu and

return to normal operation.

6. Technical characteristics

Environmental:

Operating temperature:

Shipping and storage

temperature:

0°C - 40°C

-10°C to +50°C

Electrical Protection

Installation Category

Pollution Degree

IP30

Class II

2

Temperature precision 0.1°C

Setting temperature range

Comfort, Reduced

Holiday (Antifreeze)

Timer

0,5°C step

5°C to 37°C

0,5°C to 10,0°C

5°C to 37°C

Regulation characteristics

Proportional Band (PWM

2°C/10min)

or Hysteresis 0.5°C

Power Supply

Operating life

2 AAA LR03 1.5V Alkaline

~2 years

Sensing elements:

Internal & External (option)

Internal: NTC 10k at 25°C

External: NTC 10k at

25°C (ß = 3950)

Radio Frequency 868 MHz, <10mW.

Software version

Showed in parameter

menu. Vers xxx

Compatible receivers

BT-M6Z02 RF

BT-FR02RF

BT-WR02RF / BT-WR02HC

BT-PR02RF

Other receivers can be

compatible : check on the

instruction manual of your

receiver

CE Directives

Your product has been

designed in conformity with

the European Directives.

R&TTE 1999/5/EC

EMC 004/108/EC

RoHS 2011/65/EU

Product conformed to :

Classification :

Contribution :

UE 811/2013 and

2010/30/UE

IV

(2%)

7. Troubleshooting & Solution

My BT DRF-02 doesn’t start

Batteries

Problem

- Check if the protection sticker on the

batteries is removed.

- Check the batteries orientation.

- Check the capacity of the batteries

My BT DRF-02 Led, blinks in Red

Problem on

sensors

The logo blinks (air sensor)

- Contact your installer or seller.

The logo blinks (Floor sensor)

- Check the connection of the sensor.

- Disconnect the sen

sor, and check it with

an ohmmeter (the value must be around

10kohms)

Batteries level

is too less

The logo blinks (Batteries)

- Replace the batteries.

Humidity

measurement

problem (*)

The logo blinks and the thermostat

displays “Err”

- Contact your intaller

My BT DRF-02 seems work correctly but the heating or

the cooling doesn’t work correctly

Output

On the receiver:

- Check the good reception of RF signal

- Check the connections.

- Check the power supply of the heating

element.

- Contact your installer.

RF

communication

- Check the following points :

- The receiver must be put at a

minimum distance of 50cm of all others

electrical or wireless materials (GSM,

Wi-Fi..)

- The receiver shouldn’t be fixed on a

metallic part or too close of hydraulic

pipes… (Copper…)

Configuration

The logo blinks :

- Cooling request is made by the

central (BT-CT02) but the thermostat

doesn’t allow (refer to parameter 21

chapter 8).

Humidity

protection (*)

The logo blinks:

- humidity regulation is activated (refer to

parameter 34 in chapter 8)

- condensation is detected (refer to

parameter 35 in chapter 8)

My BT DRF-02 seems work correctly but the

temperature in the room was never in accordance with

the setting temperature.

Program

- Try to calibrate your thermostat (refer

to user menu parameter 04)

- Contact your installer, to check &

adjust the regulation parameters with

your heating system.

8. Advanced installer’s parameter menu

In order to enter in the menu, press on the escape key

during 5 seconds

The display with the first parameter appears ( « rEGU »).

- Once you entered in the menu, go to the parameter which you

want change by using the keys (◄) or (►).

- Use the keys (+) or (-) to edit and modify and confirm by

pushing the (OK) key.

- To leave the parameter menu, go to the parameter “End” and

press the (OK) key.

Parameters Installer’s Advanced Menu

N° names Description of the parameter Factory value Other possibility

20

REGU

Selection of the sensor used for the

regulation.

“AIR”

Internal ambient

sensor

“amb”

External ambient sensor

Following option aren’t available

with all receivers

“FLR”

Floor sensor regulation

“FL.L”

Air regulation with floor limitation

possibilities

(refer to parameters 25&26)

21

MOde

Working mode selection of the thermostat

“Hot”

Heating mode

“Cld”

Cooling mode

“rEv”

reversible menu activation

“Aut”

Automatic mode

21

(**)

Cld

Use this option if you want to allow the

zone to work in cooling mode

“yes”

Function activated

“no”

Function deactivated

22

AirS

View of the measured values of the

internal sensor.

“__._” °C/°F

23

AmbS

View of the measured values of the

external (Ambient) sensor.

“__._”°C/°F

24

RecS

View of the measured values of the floor

sensor connected to the receiver.

“__._”°C/°F

25

FL.Lo

Lower limit of the floor temperature.

“no”

The lower

limitation is not

used

From 5°C to “FL.Hi”

26

FL.Hi

Upper limit of the floor temperature.

“no”

The upper

limitation is not

used

From “FL.Lo” to 40°C

27

reg

Selection of regulation type.

“bp”

Proportional band

(PWM)

“hys”

Hysteresis (On/Off)

28

UF1

Concrete choice.

“uf1”

For liquid concrete

with low thickness

< 6cm

“uf2”

For traditional concrete with

thickness

> 6cm

29

Bp1

Floor covering choice.

“Bp1”

For tiling

“Bp2”

For wood parquet (floating or not)

30

Uir

Pilot wire function for French Market

application:

Use this option if your installation has the

pilot wire installed in combination with an

energy saver.

“yes”

Function activated

“no”

Function deactivated

31

min

Minimal value of the setting range.

5.0°C From 5°C to 15.0°C

32

MAX

Maximal value of the setting range.

37.0°C From 20°C to 37.0°C

33

Uin

Automatic open window detection.

(Refer to chapter 4.2)

“yes”

Function activated

“no”

Function deactivated

34(*)

rH

Percentage value of the humidity setting

55% From 0% (“no”) to 100%

35(*)

dEv

Anti-condensation function

(when condensation is detected, cooling

system is stopped or/and dehumidifier is

activated)

“yes”

Function activated

“no”

Deactivated function

36

Clr EEp

All parameters will be reloaded with the

factory value.

Press on the (OK) key during few seconds.

37

End

To exit the installer’s menu

Press on the (OK) to exit.

(*): concerns version with humidity sensor

(**): concerns thermostat if it is linked with a central (BT-CT02) or with a BT-M6Z02 RF

http://www.wattselectronics.com

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